Decorators: Example Service Object

generateReportCard.js

var _ = require('underscore')

var GenerateReportCard = function(student) {
  this.student = student
};

GenerateReportCard.prototype = _.extend(GenerateReportCard.prototype, {
  
  run: function() {
    return _.compose(
      this.saveReportCardAsPDF,
      this.generateReportCardHtml,
      this.getStudentGrade
    ).call(this)
  },

  getStudentGrade: function() {
    // some actions here to 
    // determine grade
    return grade
  },

  generateReportCardHtml: function(grade) {
    // some actions here to 
    // build html for report card
    return html
  },

  saveReportCardAsPDF: function(html) {
    // some actions here to 
    // save PDF and get the url
    return pdfUrl
  }

});